Comliant with Serial Specification 3.0,Compliant with PCIe 2.0 specifications. Supports communication speeds of 6.0Gbps,3.0Gbps and 1.5Gbps Supports programmable transmitter signal levels Supports Gen 1i,Gen 2i,Gen 2m, Gen 2x and Gen 3i Applicable Slot: PCI-E (1 , 4 , 8 , 16 ) Supports two SATA Ports Colour: Black Material: plastic + metal Supports AHCI 1.0 and IDE programming interface Supports Native Queuing(NCQ) Supports Port Multiplier based switching or based switching Supports Partial and Slumber Management states Supports Hot Plug and Hot Swap with SATA 6G,3G and 1.5G Hard Drives chassis / small chassis can be used. Bus Interface:PCI- x1 Connectors: 2x SATA System Support: PCI -enabled system with on avaliable PCI slot Windows 8/7(32/64bit)/Vista(32/64bit)/XP/Server 2003/2008 Board size:(L*W)71*57mm Bracket size:120mm and 80mm :1Set Note: This product can only be installed on a PCI-E interface, Do not install the older PCI interface Size for manual measurement, there may be a 0 to 2 cm error, belongs to the normal phenomenon. And due to the difference between different monitors, the may not reflect the actual color of the item. Thank you! Package includes: 1Pc x PCI-e 2-Port SATA3 SATA III 6Gb/s Card (No retail package) 1Pc x Low Profile Bracket 2Pcs x Screws Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.